| 中波广播电台的电磁辐射环境影响分析 |
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| 引用本文： | 黄恒,王东,张金帆.中波广播电台的电磁辐射环境影响分析[J].环境科学与管理,2011,36(4):189-192,182. |
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| 作者姓名： | 黄恒 王东 张金帆 |
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| 作者单位： | 深圳市环境监测中心站; |
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| 摘 要： | 文章引入电磁辐射源固有危险性评价的指数法评判模型,进行了中波广播电台的固有危险性评价。探讨了中波天线周围电场强度的理论计算、分布规律以及电磁污染可能范围,并进行了现场监测。结果表明:中波广播电台天线电场强度值,在近距离区域随距离的增加而迅速衰减,当距离进一步增大时,场强值继续衰减,但衰减速度越来越缓慢;磁场强度随距离的增加而降低,但相对与电场强度衰减的幅度较慢。当中波广播电台功率比较低时,其电场强度和磁场强度在20 m以外均能符合国家标准限值规定,对周围环境影响较小。
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| 关 键 词： | 电磁辐射源 固有危险性评价与分级 中波广播 电场强度 磁场强度 |
Electromagnetic Radiation Environmental Impact of Medium Wave Transmitting Station |
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| Huang Heng,Wang Dong,Zhang Jinfan.Electromagnetic Radiation Environmental Impact of Medium Wave Transmitting Station[J].Environmental Science and Management,2011,36(4):189-192,182. |
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| Authors: | Huang Heng Wang Dong Zhang Jinfan |
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| Institution: | Huang Heng,Wang Dong,Zhang Jinfan(Shenzhen Environmental Monitoring Centre,Shenzhen 518049,China) |
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| Abstract: | In order to study the environmental influence of the electromagnetic radiation caused by the medium-wave antennas in broadcasting and communication,this paper taking medium-wave transmitting station hazard assessment based on inherent danger index appraisal model of electromagnetic radiation source.Study on the distribution of electric field intensity of medium wave antenna through theoretical calculation and on-site monitoring.It drew a conclusion that the electric strength and the magnetic strength of the... |
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| Keywords: | electromagnetic radiation source inherent danger evaluation end grade Medium Wave Transmitting Station electric field intensity magnetic field intensity |
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